2212311212331 has 32 divisors (see below), whose sum is σ = 3286493533440. Its totient is φ = 1312412121600.

The previous prime is 2212311212297. The next prime is 2212311212393. The reversal of 2212311212331 is 1332121132122.

It is not a de Polignac number, because 2212311212331 - 2¹⁰ = 2212311211307 is a prime.

It is a super-2 number, since 2×2212311212331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2212311212831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1984690 + ... + 2891991.

It is an arithmetic number, because the mean of its divisors is an integer number (102702922920).

Almost surely, 2^{2212311212331} is an apocalyptic number.

2212311212331 is a deficient number, since it is larger than the sum of its proper divisors (1074182321109).

2212311212331 is a wasteful number, since it uses less digits than its factorization.

2212311212331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876987.

The product of its digits is 864, while the sum is 24.

Adding to 2212311212331 its reverse (1332121132122), we get a palindrome (3544432344453).

The spelling of 2212311212331 in words is "two trillion, two hundred twelve billion, three hundred eleven million, two hundred twelve thousand, three hundred thirty-one".